Sunyer I was count of Empúries and

Roussillon Roussillon ( , , ; , ; ) was a historical province of France that largely corresponded to the County of Roussillon and French Cerdagne, part of the County of Cerdagne of the former Principality of Catalonia. It is part of the region of ' ...

(with the ''pagus'' of Perelada) from 834 to 841. He was the son of Count Belló I of Carcassonne. Sunyer I was deposed in 841 due to a new policy of the Frankish Emperor, he died in 848. His eldest son, Sunyer II, was later a count of Empúries and Roussillon (with Perelada) and another son, Delà, was an associate count of his brother.

References

{{s-end Year of birth missing 848 deaths Nobility of the Carolingian Empire Counts of Empúries Counts of Roussillon 9th-century counts in Europe